Home / 13,504,507.05-18,636,220.65-7,392,935.55

Finding the Fourth Proportional to 13,504,507.05, 18,636,220.65 and 7,392,935.55

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Solution

The fourth proportional to 13,504,507.05, 18,636,220.65 and 7,392,935.55 is: 10,202,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,507.05 : 18,636,220.65 = 7,392,935.55 : x
  2. Step 2: Convert to fraction form
    13,504,507.05/18,636,220.65 = 7,392,935.55/x
  3. Step 3: Cross multiply
    13,504,507.05x = 18,636,220.65 × 7,392,935.55
  4. Step 4: Simplify right side
    13,504,507.05x = 137,776,378,203,191.41
  5. Step 5: Solve for x
    x = 137,776,378,203,191.41/13,504,507.05
  6. Step 6: Final answer
    x = 10,202,251.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.